Received: 24 August 2021
Accepted: 15 October 2021
First Online: 26 October 2021
: This study was approved by the Research Ethics Committee at Sir Run Run Shaw Hospital. Due to nature of retrospective study, written informed consent was waived. All patient information was de-identified by a designated staff to ensure confidentiality.
: Not applicable.
: The authors do not have any competing interests to disclose.